Kingsport, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00404858, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,284 ft, 36.519, -82.528. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 13	Oct 25
Earliest	Mar 23 (1998)	Oct 3 (1974)
Latest	May 8 (1989)	Nov 21 (2024)
Trend	1.7 days earlier per decade	1.8 days later per decade
Years with data	70	74

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 6.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	Apr 13	Nov 1	Mar 8	Nov 10
2024	Apr 7	Nov 21	Mar 11	Nov 30
2023	Mar 30	Nov 1	Mar 29	Nov 2
2022	Apr 10	Oct 20	Apr 10	Nov 14
2021	Apr 23	Nov 5	Apr 22	Nov 7
2020	Apr 11	Nov 2	Mar 8	Nov 3
2019	Apr 3	Nov 2	Apr 1	Nov 8
2018	Apr 20	Nov 4	Apr 8	Nov 10
2017	Mar 23	Oct 30	Mar 20	Nov 11
2016	Apr 10	Nov 11	Apr 10	Nov 21
2015	Apr 5	Oct 18	Mar 29	Nov 15
2014	Apr 16	Nov 2	Mar 27	Nov 3
2013	no data	Oct 24	no data	Oct 25
2012	Apr 13	Nov 3	Mar 7	Nov 14
2011	no data	Oct 31	no data	Nov 13
2010	Mar 28	Nov 6	Mar 28	Nov 7
2009	Mar 23	Oct 19	Mar 6	Nov 28
2008	Apr 17	Oct 23	Mar 26	Oct 31
2007	Apr 11	Oct 30	Apr 10	Nov 8
2006	no data	Oct 13	no data	Oct 25
2005	Apr 25	Oct 27	Mar 19	Nov 11
2004	Apr 7	Nov 9	Mar 24	Nov 26
2003	Apr 1	Nov 14	Mar 5	Nov 14
2002	Apr 8	Nov 2	Mar 29	Nov 18
2001	Apr 20	Oct 18	Mar 30	Oct 29
2000	Apr 11	Oct 8	Mar 14	Oct 11
1999	Mar 29	Oct 26	Mar 17	Nov 4
1998	Mar 23	Oct 23	Mar 23	Oct 23
1997	Apr 15	Oct 23	Apr 10	Oct 23
1996	Apr 11	Oct 5	Mar 23	Nov 3
1995	Mar 26	Oct 22	Mar 11	Nov 5
1994	no data	Oct 27	no data	Nov 24
1993	Apr 23	Oct 29	Mar 19	Nov 2
1992	Apr 6	Oct 20	Apr 3	Nov 9
1991	Mar 31	Nov 3	Mar 31	Nov 5
1990	Apr 18	no data	Apr 8	no data
1989	May 8	Nov 4	Apr 12	Nov 4
1988	Apr 20	Oct 13	Mar 17	Oct 13
1987	Apr 5	Oct 9	Apr 4	Oct 22
1986	Apr 24	Nov 13	Apr 23	Nov 13
1985	Apr 10	Nov 8	Apr 10	Dec 2
1984	Apr 19	Nov 7	Mar 12	Nov 13
1983	Apr 21	Nov 5	Apr 21	Nov 18
1982	Apr 24	Oct 27	Apr 11	Nov 6
1981	Apr 8	Oct 20	Mar 21	Nov 14
1980	Apr 17	Oct 13	Mar 19	Nov 12
1979	Mar 28	Oct 14	Mar 17	Nov 15
1978	no data	Oct 9	no data	Dec 6
1977	Apr 9	Oct 18	Mar 23	Nov 12
1976	Apr 27	Oct 18	Mar 18	Oct 28
1975	Apr 13	Oct 31	Apr 5	Nov 15
1974	Apr 10	Oct 3	Mar 18	Oct 3
1973	Apr 14	Nov 6	Apr 14	Nov 6
1972	Apr 26	Oct 20	Apr 9	Oct 20
1971	May 4	Nov 5	Apr 3	Nov 5
1970	Apr 8	Oct 17	Mar 28	Nov 17
1969	Apr 2	Oct 18	Apr 2	Oct 24
1968	Apr 16	Oct 5	Mar 25	Oct 30
1967	Apr 28	Oct 20	Mar 19	Oct 28
1966	Apr 10	Oct 21	Apr 10	Nov 4
1965	Apr 3	Oct 25	Mar 22	Oct 29
1964	Apr 10	Oct 7	Apr 1	Oct 11
1963	May 2	Oct 30	Mar 23	Nov 3
1962	Apr 22	Oct 24	Apr 17	Oct 26
1961	Apr 20	Oct 27	Apr 8	Oct 27
1960	Apr 12	Oct 21	Apr 11	Oct 25
1959	Apr 15	Nov 3	Mar 23	Nov 8
1958	Apr 13	Oct 12	Mar 23	Nov 8
1957	Apr 15	Oct 20	Mar 30	Oct 29
1956	Apr 21	Nov 10	Apr 21	Nov 13
1955	Apr 8	Oct 25	Mar 30	Nov 5
1954	May 5	Oct 17	Mar 22	Oct 31
1953	Apr 22	Oct 31	Apr 17	Nov 7
1952	Apr 17	Oct 4	Mar 29	Oct 21
1951	Apr 18	Oct 12	Apr 18	Nov 3

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.